Evaluation of factors related to morphological masseter muscle changes after preoperative orthodontic treatment in female patients with skeletal class III dentofacial deformities

BACKGROUND: The purpose of the current study was to investigate factors related to morphological changes in the masseter muscle after preoperative orthodontic treatment in patients with skeletal class III dentofacial deformities for analysis of muscle changes and malocclusions. METHODS: Twenty femal...

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Autores principales: Jokaji, Rei, Ooi, Kazuhiro, Yahata, Tetsutaro, Nakade, Yusuke, Kawashiri, Shuichi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2022
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9288706/
https://www.ncbi.nlm.nih.gov/pubmed/35843934
http://dx.doi.org/10.1186/s12903-022-02319-7
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author Jokaji, Rei
Ooi, Kazuhiro
Yahata, Tetsutaro
Nakade, Yusuke
Kawashiri, Shuichi
author_facet Jokaji, Rei
Ooi, Kazuhiro
Yahata, Tetsutaro
Nakade, Yusuke
Kawashiri, Shuichi
author_sort Jokaji, Rei
collection PubMed
description BACKGROUND: The purpose of the current study was to investigate factors related to morphological changes in the masseter muscle after preoperative orthodontic treatment in patients with skeletal class III dentofacial deformities for analysis of muscle changes and malocclusions. METHODS: Twenty female patients with dentofacial deformities were included in the study. Computed tomography was performed before and after preoperative orthodontic treatment, and the lengths, widths, and cross-sectional areas of the masseter muscles were measured. Changes in these parameters were evaluated, and factors related to changes in masseter muscle area after preoperative orthodontic treatment were analyzed. RESULTS: The lengths, widths, and areas of masseter muscles were significantly smaller after preoperative orthodontic treatment. Smaller masseter muscle area was significantly associated with changes in overbite and pretreatment values of SNA angle. CONCLUSIONS: Atrophy of the masseter muscle during preoperative orthodontic treatment was greater in patients with increased open bite due to improved dental compensation in patients with skeletal class III dentofacial deformities with maxillary retraction.
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spelling pubmed-92887062022-07-18 Evaluation of factors related to morphological masseter muscle changes after preoperative orthodontic treatment in female patients with skeletal class III dentofacial deformities Jokaji, Rei Ooi, Kazuhiro Yahata, Tetsutaro Nakade, Yusuke Kawashiri, Shuichi BMC Oral Health Research Article BACKGROUND: The purpose of the current study was to investigate factors related to morphological changes in the masseter muscle after preoperative orthodontic treatment in patients with skeletal class III dentofacial deformities for analysis of muscle changes and malocclusions. METHODS: Twenty female patients with dentofacial deformities were included in the study. Computed tomography was performed before and after preoperative orthodontic treatment, and the lengths, widths, and cross-sectional areas of the masseter muscles were measured. Changes in these parameters were evaluated, and factors related to changes in masseter muscle area after preoperative orthodontic treatment were analyzed. RESULTS: The lengths, widths, and areas of masseter muscles were significantly smaller after preoperative orthodontic treatment. Smaller masseter muscle area was significantly associated with changes in overbite and pretreatment values of SNA angle. CONCLUSIONS: Atrophy of the masseter muscle during preoperative orthodontic treatment was greater in patients with increased open bite due to improved dental compensation in patients with skeletal class III dentofacial deformities with maxillary retraction. BioMed Central 2022-07-17 /pmc/articles/PMC9288706/ /pubmed/35843934 http://dx.doi.org/10.1186/s12903-022-02319-7 Text en © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/ (https://creativecommons.org/publicdomain/zero/1.0/) ) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
spellingShingle Research Article
Jokaji, Rei
Ooi, Kazuhiro
Yahata, Tetsutaro
Nakade, Yusuke
Kawashiri, Shuichi
Evaluation of factors related to morphological masseter muscle changes after preoperative orthodontic treatment in female patients with skeletal class III dentofacial deformities
title Evaluation of factors related to morphological masseter muscle changes after preoperative orthodontic treatment in female patients with skeletal class III dentofacial deformities
title_full Evaluation of factors related to morphological masseter muscle changes after preoperative orthodontic treatment in female patients with skeletal class III dentofacial deformities
title_fullStr Evaluation of factors related to morphological masseter muscle changes after preoperative orthodontic treatment in female patients with skeletal class III dentofacial deformities
title_full_unstemmed Evaluation of factors related to morphological masseter muscle changes after preoperative orthodontic treatment in female patients with skeletal class III dentofacial deformities
title_short Evaluation of factors related to morphological masseter muscle changes after preoperative orthodontic treatment in female patients with skeletal class III dentofacial deformities
title_sort evaluation of factors related to morphological masseter muscle changes after preoperative orthodontic treatment in female patients with skeletal class iii dentofacial deformities
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9288706/
https://www.ncbi.nlm.nih.gov/pubmed/35843934
http://dx.doi.org/10.1186/s12903-022-02319-7
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